CN202000250U - Solid round steel suspender of steel box arch bridge - Google Patents

Solid round steel suspender of steel box arch bridge Download PDF

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Publication number
CN202000250U
CN202000250U CN 201120065559 CN201120065559U CN202000250U CN 202000250 U CN202000250 U CN 202000250U CN 201120065559 CN201120065559 CN 201120065559 CN 201120065559 U CN201120065559 U CN 201120065559U CN 202000250 U CN202000250 U CN 202000250U
Authority
CN
China
Prior art keywords
suspender
rod
arch bridge
steel
round steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201120065559
Other languages
Chinese (zh)
Inventor
刘彦明
许振中
李承根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway First Survey and Design Institute Group Ltd
Original Assignee
China Railway First Survey and Design Institute Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway First Survey and Design Institute Group Ltd filed Critical China Railway First Survey and Design Institute Group Ltd
Priority to CN 201120065559 priority Critical patent/CN202000250U/en
Application granted granted Critical
Publication of CN202000250U publication Critical patent/CN202000250U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a solid round steel suspender of a steel box arch bridge. Most rigid suspenders for a domestic railway steel box arch bridge are I-shaped steel suspenders, the cross section of the I-shaped steel suspenders is large, when a skew angle between the I-shaped steel suspender and a railway, the overall attractiveness of a high-speed railway bridge is affected, the structural rigidity is low and the stress uniformity of the suspender is poor. The diameter of upsetting heads at the end parts of a suspender body is increased, the diameter of a tooth root is increased and thread stress is reduced; and the heights of thread crests are changed along the axial direction of the suspender, a longitudinal gentle slope is formed from the crest of a first row of thread to the crests of rear rows of threads, and rows of threads are enabled to share the stress which is originally and mainly born by the first row of thread. The solid round steel suspender of the steel box arch bridge has the advantages that the suspender can be stressed more evenly and the service life of the suspender can be effectively increased.

Description

Steel case arch bridge entity round steel suspension rod
Technical field
The utility model relates to a kind of steel case arch bridge entity round steel suspension rod.
Background technology
In the transport development, steel case arch bridge is to use one of more bridge type at present, what the rigid hanger application of domestic rail iron case arch bridge was more is the i iron suspension rod, its cross section is bigger, can influence the High-speed Railway Bridges overall aesthetics with road oblique angle when big, and the rigidity of structure is lower, the stressed lack of homogeneity of suspension rod.
The utility model content
The purpose of this utility model provides a kind of can reduce high-speed railway bridge beam-ends corner, reduce the deflection span ratio value, increase the steel case arch bridge entity round steel suspension rod of the rigidity of structure.
The technical scheme that the utility model adopted is:
Steel case arch bridge entity round steel suspension rod includes the body of rod, it is characterized in that:
Described steel case arch bridge entity round steel suspension rod is provided with two bodies of rod, axially connects by regulating sleeve, and connected mode adopts and is threaded;
Two bodies of rod other end separately is connected with u shaped connector, and connected mode adopts and is threaded;
The screw thread at body of rod two ends, reduces to end direction highly successively from body of rod middle part, and the land is axial gentle slope shape.
The junction of the described body of rod and regulating sleeve is provided with short sheath.
The junction of the described body of rod and u shaped connector is provided with long sheath.
Two lugs of described u shaped connector are provided with the corresponding pin-and-hole in position, intert to be provided with bearing pin, and the bearing pin two ends are provided with end cap by screw.
The utlity model has following advantage:
The utility model has increased the diameter of the thick head of suspension rod body of rod end pier, and root diameter is strengthened, and has reduced screw thread stress; Axially change each screw thread land height along suspension rod, the land to back number row spiral shell button forms vertical gentle slope from the first spiral shell button to make screw thread, allows many row's spiral shell buttons share the original stress that is mainly born by first row's spiral shell button jointly; Make suspension rod stressed more even, longer service life.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A sectional view.
Among the figure, 1-U type joint, 2-bearing pin, 3-end cap, 4-screw, the short sheath of 5-, the 6-body of rod, the long sheath of 7-, 8-regulating sleeve.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is described in detail.
The utility model adopts the material of entity round steel as the body of rod 6, and two bodies of rod 6 are set, axially connect by regulating sleeve 8, connected mode adopts and to be threaded, and regulates the total length of two bodies of rod 6 by changing distance that the body of rod 6 and regulating sleeve 8 screw thread spiral shells advance.The body of rod 6 is provided with short sheath 5 with the junction of regulating sleeve 8, and protection is covered in the junction.
Two bodies of rod 6 other end separately is connected with u shaped connector 1, and same employing of connected mode is threaded.Two lugs of u shaped connector 1 are provided with the corresponding pin-and-hole in position, intert to be provided with bearing pin 2, are used for suspension rod is connected with the link of bearing, and bearing pin 2 two ends are provided with end cap 3 by screw 4, are used for fixing and protect bearing pin 2.The body of rod 6 is provided with long sheath 7 with the junction of u shaped connector 1, and protection is covered in the junction.。
The screw thread at the body of rod 6 two ends, reduces to end direction highly successively from the body of rod 6 middle parts, the land of each screw thread forms the domatic of axial gentle slope shape, allow many row's screw threads share the original stress that mainly bears jointly, reduce stress raisers, increase the application life of suspension rod by first row's screw thread.

Claims (4)

1. steel case arch bridge entity round steel suspension rod includes the body of rod (6), it is characterized in that:
Described steel case arch bridge entity round steel suspension rod is provided with two bodies of rod (6), axially connects by regulating sleeve (8), and connected mode adopts and is threaded;
Two bodies of rod (6) other end separately is connected with u shaped connector (1), and connected mode adopts and is threaded;
The screw thread at the body of rod (6) two ends, reduces to end direction highly successively from the body of rod (6) middle part, and the land is axial gentle slope shape.
2. steel case arch bridge entity round steel suspension rod according to claim 1 is characterized in that: the described body of rod (6) is provided with short sheath (5) with the junction of regulating sleeve (8).
3. steel case arch bridge entity round steel suspension rod according to claim 2 is characterized in that: the described body of rod (6) is provided with long sheath (7) with the junction of u shaped connector (1).
4. steel case arch bridge entity round steel suspension rod according to claim 1, it is characterized in that: two lugs of described u shaped connector (1) are provided with the corresponding pin-and-hole in position, intert and to be provided with bearing pin (2), bearing pin (2) two ends are provided with end cap (3) by screw (4).
CN 201120065559 2011-03-14 2011-03-14 Solid round steel suspender of steel box arch bridge Expired - Lifetime CN202000250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120065559 CN202000250U (en) 2011-03-14 2011-03-14 Solid round steel suspender of steel box arch bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120065559 CN202000250U (en) 2011-03-14 2011-03-14 Solid round steel suspender of steel box arch bridge

Publications (1)

Publication Number Publication Date
CN202000250U true CN202000250U (en) 2011-10-05

Family

ID=44702995

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120065559 Expired - Lifetime CN202000250U (en) 2011-03-14 2011-03-14 Solid round steel suspender of steel box arch bridge

Country Status (1)

Country Link
CN (1) CN202000250U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107313595A (en) * 2017-06-19 2017-11-03 江苏新蓝天钢结构有限公司 Steel suspension rod suspended structure and construction method with tensioning centering leveling device
CN110820518A (en) * 2019-11-16 2020-02-21 中交路桥建设有限公司 Machining and hoisting method for steel arch bridge suspender
CN111663446A (en) * 2020-06-30 2020-09-15 南京元琅建设工程有限公司 Sling structure for bridge construction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107313595A (en) * 2017-06-19 2017-11-03 江苏新蓝天钢结构有限公司 Steel suspension rod suspended structure and construction method with tensioning centering leveling device
CN110820518A (en) * 2019-11-16 2020-02-21 中交路桥建设有限公司 Machining and hoisting method for steel arch bridge suspender
CN110820518B (en) * 2019-11-16 2021-03-02 中交路桥建设有限公司 Machining and hoisting method for steel arch bridge suspender
CN111663446A (en) * 2020-06-30 2020-09-15 南京元琅建设工程有限公司 Sling structure for bridge construction

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CX01 Expiry of patent term
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Granted publication date: 20111005